130072640

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1307}}^1$

素因数の和:1635

約数の個数: 56

約数和(自身を含む): 310969152

約数和(自身を除く): 180896512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 1244, 1307, 1555, 2488, 2614, 3110, 4976, 5228, 6220, 6535, 9952, 10456, 12440, 13070, 19904, 20912, 24880, 26140, 41824, 49760, 52280, 83648, 99520, 104560, 209120, 406477, 418240, 812954, 1625908, 2032385, 3251816, 4064770, 6503632, 8129540, 13007264, 16259080, 26014528, 32518160, 65036320, 130072640]

約数ペア:

[(1, 130072640), (2, 65036320), (4, 32518160), (5, 26014528), (8, 16259080), (10, 13007264), (16, 8129540), (20, 6503632), (32, 4064770), (40, 3251816), (64, 2032385), (80, 1625908), (160, 812954), (311, 418240), (320, 406477), (622, 209120), (1244, 104560), (1307, 99520), (1555, 83648), (2488, 52280), (2614, 49760), (3110, 41824), (4976, 26140), (5228, 24880), (6220, 20912), (6535, 19904), (9952, 13070), (10456, 12440)]